948 INDEX GENERUM MAMMALIUM. 
Name, authority, and date. Type or included species, and localities. 
Ricardowenia * AMEGHINO, 1901..... Ricardowenia mysteriosa, Patagonia. 
Siderotherium JAGER, 1839.......... Siderotherium sp. near Mósskirch, Germany. 
Sukotyro KERR40/02- 00 NE Sukotyro indicus, Java (mythical). 
Thoracotherion GRAY, 1869 ......... Nomen nudum. 
Upmesodon Kaur & ScnuoLr, 1834.... Nomen nudum. 
ORDER UNCERTAIN.’ 
Dystheatus InuiGER, 1815....-...... Nomen nudum. 
Eutrochodon RorgB, 1908. ........... Eutrochodon inceptus Lago Musters, Patagonia. 
Hydropithecus GLOGER, 1841 ........ Hydropithecus simia (mythical, based on the. 
See Affeof Steller), northwest coast of America. 
Myoxoides Brookks, 1828 .......... Myoxoides australasiv, Australia. 
Rhinoceroides € FEATHERSTONHAUGH, Rhinoceroides alleghaniensis,Castleman River, Pa. 
183 . 
Tropodon RAFINESQUE, 1832........ New name for Rhinoceroides Featherstonhaugh. 
i , 

4 Carolozittelid:e, which is referred to the Proboscidea by AMEGHINO, 
»The following genera have been described as mammals but are now known to 
belong to the Reptilia or other classes: Caryoderma, Chirotherium, Ischyrotherium, 
Pamphractus, Phorusrhacos, Polyptychodon, Psephophorus, Pterotherium, and Tolmodus. 
For details, see the entries under each name in Part I and the list on p. 41. To this 
list should be added Apholidemys PowEL, 1847, a genus of Testudinata; and Tinnun- 
culus LiNN.EvUS, 1766, a genus of Birds, which have been inadvertently referred to the 
Mammalia. 
€ Founded on a fragment of sandstone. 
